Non-Protein Compound
This page is the CodyCross answer for the clue below from Inside the Spaceship, Group 1193, Puzzle 5 (Brain Teasers).
Question is: Non-Protein Compound
and the answer is: COENZYME
Word Meaning:
COENZYME — (biochemistry) Any small molecule that is necessary for the functioning of an enzyme.
Definitions from Wiktionary.